Update package.json

Author: joetannenbaum

packages/react/package.json

@@ -8,7 +8,7 @@
         "ably",
         "react"
     ],
-    "homepage": "https://github.com/laravel/echotree/2.x/packages/react",
+    "homepage": "https://github.com/laravel/echo/tree/2.x/packages/react",
     "repository": {
         "type": "git",
         "url": "https://github.com/laravel/echo"